Question

Factories:

y(x+y)-(1+x)​

Answer 1

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Answer 2

`(y - 1)(x + y + 1)`

Explanation:

`y(x + y) - 1(1 + x)`

Lets expand it.

`= > xy + {y}^(2) - x - 1`

Lets re-arrange it.

`= > xy - x + {y}^(2) - 1`

Lets split
`{y}^(2) - 1`

So,

`= > x(y - 1) + (y + 1)(y - 1)`

`= > (y - 1)(x + y + 1)`